Search flights from Saint Louis (STL) to San José (SJO)

Book your plane tickets from Saint Louis to San José with ease

Cheapest flights to San José

The cheapest flights available in the next 60 days – prices are updated regularly

Flying from Saint Louis to San José: things to know

The most popular route is from Lambert- St.Louis International Airport in Saint Louis to Juan Santamaría International Airport in San José. On average this flight takes 7 hours 48 minutes one way and costs US$1,979 for the round trip.

Most popular route
Lambert- St.Louis International Airport (STL) to Juan Santamaría International Airport (SJO)
Average flight time
7 hours 48 minutes
Average round-trip price
US$1,979
Fly from Saint Louis to San José
3 airlines

Reasons to book flights with Booking.com

  • Great selection

    Easily compare flights, airlines and prices – all in one place

  • No hidden fees

    Always know exactly what you’re paying for

  • Flexibility

    Use our flexible plane ticket option to change your dates if needed

Flexible plane ticket options are available for an additional cost on selected airfares

Airlines that fly from Saint Louis to San José

Airline options may vary according to recently booked flights and your search terms

  • American Airlines
  • Spirit Airlines
  • United Airlines

Frequently asked questions

Fly to more destinations from Saint Louis

Research, refine and make plans for your whole trip

Flights from Saint Louis to Costa Rica

Compare flights, find the best prices and hop on the next plane to Costa Rica.

All flights

Fly to your next dream destination.

Flights from the United States to Costa Rica

More options to fly to Costa Rica.

Flights to San José

Reaching San José just got easier!

Hotels in San José

A popular choice with visitors to Costa Rica.